import urllib3
import demjson
http=urllib3.PoolManager()
url='http://192.168.2.250/cgi-bin/luci/;stok=21a2a55b091d7a706bff9299dc3c0e6b/admin/mac_filter?form=mac_list'
cookie_ = 'sysauth=a1a8115bc124bf05a1c8d310d948bddb'
r=http.request(
    'POST',
    url,
    headers={
        'Cookie':cookie_,
        #'X-Requested-With':'XMLHttpRequest',
        'Referer':'http://192.168.2.250/webpages/index.html',
        #'Host':'192.168.2.250',
        #'Accept':'application/json, text/javascript, */*; q=0.01',
        },
    fields={"data":"{\"method\":\"get\"},\"params\":{}}"}
)
d=r.data
print(d)
d=demjson.decode(d.decode("utf-8"))
print(d)
result=d['result']
for i in result:
    print(i)
